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Commit Graph

21 Commits

Author SHA1 Message Date
Jeff R. Allen
ee177279a0 misc/cgo: fix wrong quote character
Single quotes to not expand variables inside of them.

Change-Id: I4a0622c0aebfc1c3f9d299f93f7a8253893b5858
Reviewed-on: https://go-review.googlesource.com/13661
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2016-02-26 19:39:51 +00:00
Joe Sylve
9efc46f1cb cmd/go: -buildmode=c-shared should work on darwin/386
* Enable c-shared buildmode on darwin/386
* dyld does not support text relocation on i386. Add -read_only_relocs suppress flag to linker

Fixes #13904

Change-Id: I9adbd20d3f36ce9bbccf1bffb746b391780d088f
Reviewed-on: https://go-review.googlesource.com/18500
Reviewed-by: David Crawshaw <crawshaw@golang.org>
Reviewed-by: Russ Cox <rsc@golang.org>
2016-01-13 18:24:38 +00:00
Russ Cox
f2c36df9a2 misc/cgo/testcshared: print a little more about GOROOT on failure
For #13789.

Change-Id: I83973298a35afcf55627f0a72223098306a51f4b
Reviewed-on: https://go-review.googlesource.com/18233
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2016-01-05 14:19:24 +00:00
Ian Lance Taylor
a7d2b4d7ce runtime: disable a signal by restoring the original disposition
Fixes #13034.
Fixes #13042.
Update #9896.

Change-Id: I189f381090223dd07086848aac2d69d2c00d80c4
Reviewed-on: https://go-review.googlesource.com/18062
Reviewed-by: Russ Cox <rsc@golang.org>
2016-01-05 00:25:50 +00:00
Didier Spezia
dc5315c341 build: prevent the entire repo to be wiped out by cgo test scripts
Following the parallelization of some tests, a race condition can
occur in testcarchive, testshared and testcshared.

In some cases, it can result in the go env GOROOT command returning
corrupted data, which are then passed to a rm command.

Make the shell script more robust by not trusting the result of
the go env GOROOT command. It does not really fix the issue, but
at least prevent the entire repository to be deleted.

Updates #13789

Change-Id: Iaf04a7bd078ed3a82e724e35c4b86e6f756f2a2f
Reviewed-on: https://go-review.googlesource.com/18173
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Russ Cox <rsc@golang.org>
2016-01-04 19:56:30 +00:00
Ian Lance Taylor
fbdfa99246 runtime: for c-archive/c-shared, don't install unnecessary signal handlers
Only install signal handlers for synchronous signals that become
run-time panics.  Set the SA_ONSTACK flag for other signal handlers as
needed.

Fixes #13028.
Update #12465.
Update #13034.
Update #13042.

Change-Id: I28375e70641f60630e10f3c86e24b6e4f8a35cc9
Reviewed-on: https://go-review.googlesource.com/17903
Reviewed-by: Russ Cox <rsc@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2015-12-18 22:27:38 +00:00
David Crawshaw
ab7e82ef3b cmd/go: buildmode=c-shared support for linux/arm64
Change-Id: Ic826dc25b5203b2e9fc253d6fe997e4b41de3789
Reviewed-on: https://go-review.googlesource.com/16453
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: David Crawshaw <crawshaw@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2015-10-29 16:25:37 +00:00
Hyang-Ah Hana Kim
26d0b00536 cmd/go: enable android/amd64 build.
For golang/go#10743

Change-Id: Iec047821147a0e28edebf875fefe25993785702b
Reviewed-on: https://go-review.googlesource.com/15994
Reviewed-by: David Crawshaw <crawshaw@golang.org>
2015-10-28 20:55:13 +00:00
Hyang-Ah Hana Kim
ee07504d26 misc/cgo/testcshared: use -pie for android-L.
Also, handle the case where 'read' returns EINVAL instead of EBADF
when the descriptor is not ready. (android 4.4.4/cyanogenmod, nexus7)

Change-Id: I56c5949d27303d44a4fd0de38951b85e20cef167
Reviewed-on: https://go-review.googlesource.com/15810
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2015-10-13 18:35:03 +00:00
Michael Hudson-Doyle
5cbca8d84b cmd/internal/ld: put read-only relocated data into .data.rel.ro when making a shared object
Currently Go produces shared libraries that cannot be shared between processes
because they have relocations against the text segment (not text section). This
fixes this by moving some data to sections with magic names recognized by the
static linker.

The change in genasmsym to add STYPELINK to the switch should fix things on
darwin/arm64.

Fixes #10914
Updates #9210

Change-Id: Iab4a6678dd04cec6114e683caac5cf31b1063309
Reviewed-on: https://go-review.googlesource.com/14306
Run-TryBot: Michael Hudson-Doyle <michael.hudson@canonical.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2015-09-08 23:34:16 +00:00
Dave Cheney
e49b2460a4 Revert "cmd/internal/ld: put read-only relocated data into .data.rel.ro when making a shared object"
This reverts commit 2c2cbb69c8.

Broke darwin/arm64

Change-Id: Ibd2dea475d6ce6a8b4b40e2da19a83fc0514025d
Reviewed-on: https://go-review.googlesource.com/14301
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2015-09-04 19:47:36 +00:00
Michael Hudson-Doyle
2c2cbb69c8 cmd/internal/ld: put read-only relocated data into .data.rel.ro when making a shared object
Currently Go produces shared libraries that cannot be shared between processes
because they have relocations against the text segment (not text section). This
fixes this by moving some data to sections with magic names recognized by the
static linker.

Fixes #10914
Updates #9210

Change-Id: I7178daadc0ae87953d5a084aa3d580f4e3b46d47
Reviewed-on: https://go-review.googlesource.com/10300
Run-TryBot: Michael Hudson-Doyle <michael.hudson@canonical.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2015-09-04 05:25:10 +00:00
Mikio Hara
fe1cecfaec misc/cgo/testcshared: don't leave garbages after test
Change-Id: I668b18b1e6901c59cf170e0c1cde9a3923c0cb13
Reviewed-on: https://go-review.googlesource.com/11472
Reviewed-by: David Crawshaw <crawshaw@golang.org>
2015-06-25 19:54:56 +00:00
Srdjan Petrovic
cc6554f750 cmd/link/internal/ld, cmd/go: -buildmode=c-shared support for darwin/amd64
All of the heavy-lifting was done by minux@, with his external-linking support
for darwin/arm64: golang.org/cl/8781

Change-Id: I7c9fbc19246f418c065c92fb2c13c00026ff0f82
Reviewed-on: https://go-review.googlesource.com/11127
Run-TryBot: Srdjan Petrovic <spetrovic@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2015-06-19 20:28:01 +00:00
Hyang-Ah (Hana) Kim
647026a16b misc/cgo/testcshared: remove use of 'env'.
'env' command is not available on some android devices.

Change-Id: I68b1152ef7ea248c8e80c7f71e97da76e3ec6394
Reviewed-on: https://go-review.googlesource.com/9999
Reviewed-by: Minux Ma <minux@golang.org>
2015-05-13 21:31:03 +00:00
Hyang-Ah (Hana) Kim
a4f4a46c28 misc/cgo/testcshared: fix test for android.
On android the generated header files are located in
pkg/$(go env GOOS)_$(go env GOARCH)_testcshared.
The test was broken since https://go-review.googlesource.com/9798.

The installation path differs based on codegenArgs
(around src/cmd/go/build.go line 389), and the codegenArgs
is platform dependent.

Change-Id: I01ae9cb957fb7676e399f3b8c067f24c5bd20b9d
Reviewed-on: https://go-review.googlesource.com/9980
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2015-05-12 23:46:33 +00:00
Ian Lance Taylor
e45aebd6dd cmd/go: install headers for c-archive/c-shared cgo exports
When
  using -buildmode=c-archive or c-shared, and
  when installing packages that use cgo, and
  when those packages export some functions via //export comments,
then
  for each such package, install a pkg.h header file that declares the
  functions.

This permits C code to #include the header when calling the Go
functions.

This is a little awkward to use when there are multiple packages that
export functions, as you have to "go install" your c-archive/c-shared
object and then pull it out of the package directory.  When compiling
your C code you have to -I pkg/$GOOS_$GOARCH.  I haven't thought of
any more convenient approach.  It's simpler when only the main package
has exported functions.

When using c-shared you currently have to use a _shared suffix in the
-I option; it would be nice to fix that somehow.

Change-Id: I5d8cf08914b7d3c2b194120c77791d2732ffd26e
Reviewed-on: https://go-review.googlesource.com/9798
Reviewed-by: David Crawshaw <crawshaw@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2015-05-07 17:39:56 +00:00
Hyang-Ah Hana Kim
e9a89b80b6 misc/cgo/testcshared: make test.bash resilient against noise.
Instead of comparing against the entire output that may include
verbose warning messages, use the last line of the output and check
it includes the expected success message (PASS).

Change-Id: Iafd583ee5529a8aef5439b9f1f6ce0185e4b1331
Reviewed-on: https://go-review.googlesource.com/9304
Reviewed-by: David Crawshaw <crawshaw@golang.org>
2015-04-24 18:32:24 +00:00
Hyang-Ah Hana Kim
8566979972 misc/cgo/testcshared: add a c-shared test for android/arm.
- main3.c tests main.main is exported when compiled for GOOS=android.
- wait longer for main2.c (it's slow on android/arm)
- rearranged test.bash

Fixes #10070.

Change-Id: I6e5a98d1c5fae776afa54ecb5da633b59b269316
Reviewed-on: https://go-review.googlesource.com/9296
Reviewed-by: David Crawshaw <crawshaw@golang.org>
Run-TryBot: Hyang-Ah Hana Kim <hyangah@gmail.com>
2015-04-24 16:32:31 +00:00
Ian Lance Taylor
e589e08014 misc/cgo/testcshared: add c-shared test with no exports
The purpose of this test is to make sure that -buildmode=c-shared
works even when the shared library can be built without invoking cgo.

Change-Id: Id6f95af755992b209aff770440ca9819b74113ab
Reviewed-on: https://go-review.googlesource.com/9166
Reviewed-by: David Crawshaw <crawshaw@golang.org>
2015-04-21 20:50:23 +00:00
Hyang-Ah Hana Kim
92189a2be2 misc/cgo/testcshared: test -buildmode=c-shared
Followed the same test pattern in misc/cgo/testcarchive.

Change-Id: I2f863b5c24a28f0b38b0128ed3e8a92c17fb5b9f
Reviewed-on: https://go-review.googlesource.com/8985
Reviewed-by: David Crawshaw <crawshaw@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2015-04-17 16:16:44 +00:00